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Power management

Power management

Power management forum

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Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search power management IC content or ask technical support questions on everything from linear and DC/DC switching regulators to battery management and LED drivers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: FAQ Home Page

    Jose Couso
    Jose Couso
    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    William Moore
    William Moore
    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does SOC drop from 100% after full charge?

    Wyatt Keller
    Wyatt Keller
    The gauge takes an OCV measurements periodically when in relaxation and then uses this measurement to recalculate the remaining capacity and full charge capacity. If there is a change in conditions, like temperature, or every 5 hours in relaxation mode…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status register not updating from 5 to 6?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x05 to 0x06. This transition indicates that the gauge has updated the…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z561 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z561 , BQ27Z561-R2 , BQ27Z561-R1 BQ27Z561 FAQ Home Page This is the home page for common questions in relation to the BQ27Z561, BQ27Z561-R1, and BQ27Z561-R2. FAQs Related FAQ home pages: Impedance Track FAQ…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status not updating from 4 to 5?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x04 to 0x05. For this to happen, there must be at least a 90% change…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Thermal Dissipation from an LDO Perspective

    McKyla Beuttler
    McKyla Beuttler
    Other Parts Discussed in Thread: TPS7B86-Q1 , TPS745 One commonly misunderstood topic regarding low dropout regulators (LDOs) is thermal dissipation. LDOs drop the input voltage using a FET in order to achieve the desired output rail. This power dissipates…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the maximum duty cycle of BQ24800? Can this duty cycle support my input adapter voltage?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 Other Parts Discussed in Thread: BQ24780S Customers are often interested in knowing the max duty cycle of the buck converter so they can estimate the max output voltage of the charger at different input voltages. The max duty cycle…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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  • Answered

    TPS562219A: Max and min switching frequency 0 Locked

    329 views
    2 replies
    Latest over 5 years ago
    by Ryan Hu (BSR-MV)
  • Not Answered

    LP8867C-Q1: Tape and Reel Information 0 Locked

    228 views
    1 reply
    Latest over 5 years ago
    by Frank Qiu
  • Answered

    TLC5926: TLC5926 EVM 0 Locked

    258 views
    3 replies
    Latest over 5 years ago
    by Takashi Shinde
  • Answered

    TPS82130: TPS82130. TPS82140 and TPS82150 power down mode 0 Locked

    342 views
    2 replies
    Latest over 5 years ago
    by Akihisa Tamazaki
  • Suggested Answer

    TPS55165-Q1: TPS55165QPWPRQ1: start-up voltage 0 Locked

    282 views
    4 replies
    Latest over 5 years ago
    by Helen chen
  • Answered

    Picking a bipolar boost regulator 0 Locked

    227 views
    1 reply
    Latest over 5 years ago
    by Helen chen
  • Answered

    TPS3703-Q1: Time delay 150us 0 Locked

    483 views
    12 replies
    Latest over 5 years ago
    by Koji Hayashi92
  • Suggested Answer

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    375 views
    1 reply
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    by Andy Liu (BMS)
  • Answered

    BQ27441-G1: Having trouble reading the Data Memory (first byte is always 64 decimal) 0 Locked

    364 views
    2 replies
    Latest over 5 years ago
    by Jonathan Stewart
  • Answered

    LM5576: Minimum operating current 0 Locked

    210 views
    2 replies
    Latest over 5 years ago
    by Ryo Akashi
  • Not Answered

    DC-DC 8.1-12.6V input, output 12V/2Amps, Non isolated, low iq battery application 0 Locked

    263 views
    1 reply
    Latest over 5 years ago
    by Youhao Xi
  • Answered

    LM5175: LM5175 Vcc dorop 7.5V to 3.4V when load is 6A over. 0 Locked

    358 views
    1 reply
    Latest over 5 years ago
    by Youhao Xi
  • Suggested Answer

    BQ34Z100-G1: Pb Temp Comp for Lead Acid 0 Locked

    708 views
    6 replies
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    by BatMan
  • Suggested Answer

    LM5088: LM5088 too many components 0 Locked

    361 views
    1 reply
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    by Timothy Hegarty
  • Suggested Answer

    BQ25101: BQ25101YFPR 0 Locked

    199 views
    1 reply
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    by Bill Johns
  • Suggested Answer

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    374 views
    3 replies
    Latest over 5 years ago
    by Orlando Murray
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    TPS92691: About higher than 65Vout solution 0 Locked

    852 views
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    by Tuan Tran74
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    TPS40090-Q1: Compensation review for TPS40090-Q1 0 Locked

    280 views
    1 reply
    Latest over 5 years ago
    by Qian Chen
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    BQ25155: BQ25155 ADC 0 Locked

    317 views
    3 replies
    Latest over 5 years ago
    by Raheem
  • Suggested Answer

    BQ25120A: Register issue 0 Locked

    244 views
    6 replies
    Latest over 5 years ago
    by Raheem
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